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Finding the Fourth Proportional to 359,845.68, 496,584.60 and 198,710.88

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Solution

The fourth proportional to 359,845.68, 496,584.60 and 198,710.88 is: 274,219.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,845.68 : 496,584.60 = 198,710.88 : x
  2. Step 2: Convert to fraction form
    359,845.68/496,584.60 = 198,710.88/x
  3. Step 3: Cross multiply
    359,845.68x = 496,584.60 × 198,710.88
  4. Step 4: Simplify right side
    359,845.68x = 98,676,762,860.45
  5. Step 5: Solve for x
    x = 98,676,762,860.45/359,845.68
  6. Step 6: Final answer
    x = 274,219.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.